Evidence map›Paper›PMID 30603911›Full record

ArticleGastric cancer : official journal of the International Gastric Cancer Association and the Japanese Gastric Cancer Association2019

Association between UGT1A1 gene polymorphism and safety and efficacy of irinotecan monotherapy as the third-line treatment for advanced gastric cancer.

Toshifumi Yamaguchi, Satoru Iwasa, Hirokazu Shoji, Yoshitaka Honma, Atsuo Takashima, Ken Kato, Tetsuya Hamaguchi, Kazuhide Higuchi, Narikazu Boku

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Article in Gastric cancer : official journal of the International Gastric Cancer Association and the Japanese Gastric Cancer Association, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 12 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
12citing papers in PubMed, 1 pooled it
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

12 citing papers in PubMed, 1 synthesis or guideline pooled it.

  1. Pooled it
  2. Mechanisms of chemoresistance in gastric cancer: interplay between microRNAs and the tumor microenvironment.Clinical & translational oncology : official publication of the Federation of Spanish Oncology Societies and of the National Cancer Institute of Mexico · 2026
    Review
  3. Article
  4. Correlation ofJournal of clinical medicine · 2023
    Article
  5. Article
  6. Lanthanide (EuInternational journal of molecular sciences · 2022
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4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

9 authors.

Toshifumi YamaguchiCancer Chemotherapy Center, Osaka Medical College Hospital, 2-7 Daigaku machi, Takatsuki, Osaka, 569-8686, Japan. yamagu.toshifumi@gmail.com.ORCID 0000-0003-1399-1918
Satoru IwasaGastrointestinal Oncology Division, National Cancer Center Hospital, 5-1-1 Tsukiji, Chuo-ku, Tokyo, 104-0045, Japan.
Hirokazu ShojiGastrointestinal Oncology Division, National Cancer Center Hospital, 5-1-1 Tsukiji, Chuo-ku, Tokyo, 104-0045, Japan.
Yoshitaka HonmaGastrointestinal Oncology Division, National Cancer Center Hospital, 5-1-1 Tsukiji, Chuo-ku, Tokyo, 104-0045, Japan.
Atsuo TakashimaGastrointestinal Oncology Division, National Cancer Center Hospital, 5-1-1 Tsukiji, Chuo-ku, Tokyo, 104-0045, Japan.
Ken KatoGastrointestinal Oncology Division, National Cancer Center Hospital, 5-1-1 Tsukiji, Chuo-ku, Tokyo, 104-0045, Japan.
Tetsuya HamaguchiDepartment of Gastrointestinal Oncology, Saitama Medical University International Medical Center, 1397-1 Yamane, Hidaka, Saitama, Japan.
Kazuhide HiguchiSecond Department of Internal Medicine, Osaka Medical College, 2-7 Daigaku machi, Takatsuki, Osaka, 569-8686, Japan.
Narikazu BokuGastrointestinal Oncology Division, National Cancer Center Hospital, 5-1-1 Tsukiji, Chuo-ku, Tokyo, 104-0045, Japan.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

backgroundWhile uridine diphosphate glucuronosyltransferase (UGT) 1A1 is a key enzyme in the metabolism of irinotecan, relationship between UGT1A1 genotype and safety and efficacy of irinotecan monotherapy in patients with advanced gastric cancer is not clarified.

methodsEfficacy and safety in advanced gastric cancer patients, who were tested for UGT1A1*6 and *28 genotype and treated with irinotecan monotherapy as third-line treatment from 2009 to 2014, were evaluated according to the UGT1A1*6 and *28 genotypes.

resultsAmong 74 patients of the subjects, the genotypes of UGT1A1 were wild-type (WT) in 37 patients (50%), single heterozygosity (SH) in 27 (36.5%) and double heterozygosity or homozygosity (Homo/DH) in 10 (13.5%). The initial dose of irinotecan was reduced in 10 patients (27%) with WT, in 9 (33%) with SH, and in 7 (70%) with Homo/DH. Median overall survival was 6.9 months, 6.3 months, and 2.8 months in the WT, SH and Homo/DH genotypes, associated with median time to treatment failure of 2.4 months, 2.3 months, and 1.3 months, respectively. Among 36 patients with measurable lesion, disease control rates were 47.6%, 41.7% and 33.3% in the WT, SH and Homo/DH genotypes. Grade 3 or higher adverse events of special interest were neutropenia (13%, 22%, and 64% for the WT, SH and Homo/DH genotypes), febrile neutropenia (2%, 7%, and 50%) and diarrhea (6%, 5%, and 21%).

conclusionsThe UGT1A1 polymorphism may be related to the clinical outcomes of irinotecan monotherapy as the third-line treatment for advanced gastric cancer.

Indexed as

Polymorphism, GeneticAdultAgedAged, 80 and overAntineoplastic Agents, PhytogenicBiomarkers, TumorFemaleFollow-Up StudiesGlucuronosyltransferaseHumansIntestinal NeoplasmsIrinotecanLymphatic MetastasisMaleMiddle AgedPrognosisAntineoplastic Agents, PhytogenicBiomarkers, TumorGlucuronosyltransferaseIrinotecanUGT1A1 EnzymeGastric cancerIrinotecanUGT1A1

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.